diff --git a/requirements.txt b/requirements.txt
index 9733348..63ff27c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 lxml==4.3.0
 numpy==1.16.0
-opencv-contrib-python==3.4.5.20
+opencv-contrib-python==3.4.7.28
 tqdm==4.29.1